GPU model | Whistler | Whistler |
---|---|---|
GPU variant | Whistler PRO (216-0810005) | Whistler XT (216-0810001) |
Architecture | TeraScale 2 | TeraScale 2 |
Foundry | TSMC | TSMC |
Manufacturing process | 40 nm | 40 nm |
Number of transistors | 716 million | 716 million |
Die size | 104 mm² | 104 mm² |
Release date | Apr 18th, 2011 | Jan 7th, 2012 |
---|---|---|
Generation | Vancouver (HD 6700M) | London (HD 7600M) |
Production | End-of-life | End-of-life |
Interface | MXM-A (3.0) | PCIe 2.0 x16 |
Predecessor | Manhattan | Vancouver |
Successor | London | Solar System |
GPU clock | 598 MHz | 600 MHz |
---|---|---|
Memory clock | 794 MHz 3.2 Gbps effective | 800 MHz 1600 Mbps effective |
Memory size | 512 MB | 1024 MB |
---|---|---|
Memory type | GDDR5 | GDDR3 |
Memory bus width | 128 bit | 128 bit |
Bandwidth | 50.82 GB/s | 25.60 GB/s |
Shading units | 480 | 480 |
---|---|---|
TMUs | 24 | 24 |
ROPs | 8 | 8 |
Compute units | 6 | 6 |
Cache L1 | 8 KB (per CU) | 8 KB (per CU) |
Cache L2 | 256 KB | 256 KB |
Pixel rate | 4.784 GPixel/s | 4.800 GPixel/s |
---|---|---|
Texture rate | 14.35 GTexel/s | 14.40 GTexel/s |
FP32 (float) performance | 574.1 GFLOPS | 576.0 GFLOPS |
Slot width | MXM Module | — |
---|---|---|
TDP | 35 W | 20 W |
Outputs | No outputs | No outputs |
DirectX | 11.2 (11_0) | 11.2 (11_0) |
---|---|---|
OpenGL | 4.4 | 4.4 |
OpenCL | 1.2 | 1.2 |
Vulkan | — | — |
Shader model | 5.0 | 5.0 |